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Determination of a correction factor for the interaction potential of He+ ions backscattered from a Cu(100) surface
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Draxler, M., Walker, M. and McConville, C. F. (Chris F.) (2006) Determination of a correction factor for the interaction potential of He+ ions backscattered from a Cu(100) surface. In: 17th International Conference on Ion Beam Analysis, Seville, SPAIN, JUN 26-JUL 01, 2005. Published in: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 249 pp. 812-815. doi:10.1016/j.nimb.2006.03.177 ISSN 0168-583X.
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Official URL: http://dx.doi.org/10.1016/j.nimb.2006.03.177
Abstract
We have used coaxial impact collision ion scattering spectroscopy (CAICISS) data collected from 3 kev He+ ions backscattered from a Cu(100) surface in different azimuthal orientations to investigate the influence of the screening length on CAICISS polar angle scans. We have compared the experimental data to computer simulations generated with the FAN code and found that for our experimental conditions an exceptionally low value of 0.53 was required for the correction factor to the Firsov screening length used with the Thomas-Fermi-Moliere potential. In addition we found that the Ziegler-Biersack-Littmark potential is not applicable, resulting in incorrect peak positions in the CAICISS polar angle plots. (c) 2006 Elsevier B.V. All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0168-583X | ||||
Official Date: | August 2006 | ||||
Dates: |
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Volume: | 249 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 812-815 | ||||
DOI: | 10.1016/j.nimb.2006.03.177 | ||||
Publication Status: | Published | ||||
Title of Event: | 17th International Conference on Ion Beam Analysis | ||||
Location of Event: | Seville, SPAIN | ||||
Date(s) of Event: | JUN 26-JUL 01, 2005 |
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